CN112212608A - Metal corrugated pipe cooling device - Google Patents

Metal corrugated pipe cooling device Download PDF

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Publication number
CN112212608A
CN112212608A CN202011147696.2A CN202011147696A CN112212608A CN 112212608 A CN112212608 A CN 112212608A CN 202011147696 A CN202011147696 A CN 202011147696A CN 112212608 A CN112212608 A CN 112212608A
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CN
China
Prior art keywords
machine body
body shell
cooling device
air cooling
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011147696.2A
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Chinese (zh)
Inventor
林迺建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunhe Hongfeng Mould Factory
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Yunhe Hongfeng Mould Factory
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Publication date
Application filed by Yunhe Hongfeng Mould Factory filed Critical Yunhe Hongfeng Mould Factory
Priority to CN202011147696.2A priority Critical patent/CN112212608A/en
Publication of CN112212608A publication Critical patent/CN112212608A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00Other cooling or freezing apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/006General constructional features for mounting refrigerating machinery components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • F25D25/04Charging, supporting, and discharging the articles to be cooled by conveyors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The invention relates to the technical field of metal corrugated pipe processing, in particular to a metal corrugated pipe cooling device which comprises a machine body shell, a guide device, a conveying device and a grading cooling device, wherein the grading cooling device is arranged on the inner wall and the outer side of the machine body shell, the grading cooling device is fixedly connected with the machine body shell, a support bracket is arranged on the lower surface in the machine body shell, a support mechanism is arranged at the lower end of the machine body shell, one end of the machine body shell is an inlet of the metal corrugated pipe, the other end of the machine body shell is an outlet, the metal corrugated pipe passes through the interior of the machine body shell, the guide device is arranged at the upper end and the lower end of the metal corrugated pipe outside the machine body shell, and the conveying device is arranged at the lower end and one side of the metal corrugated pipe, the time-saving and labor-saving operation is convenient, and the problem of overhigh temperature in an operation room is simultaneously relieved.

Description

Metal corrugated pipe cooling device
Technical Field
The invention relates to the technical field of metal corrugated pipe processing, in particular to metal corrugated pipe cooling equipment.
Background
The metal corrugated pipe is a pipe with a regular wave-like appearance, is mainly used for non-concentric axial transmission with a small bending radius, or irregular turning, stretching, or absorbing thermal deformation of a pipeline, or is not convenient to be used for connecting the pipeline with the pipeline or connecting the pipeline with equipment, can be subjected to heat treatment in the processing process of the metal corrugated pipe, so that the stress of the metal corrugated pipe is reduced to prolong the service life of the metal corrugated pipe, and needs to be cooled after the heat treatment so as to carry out the next processing procedure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a metal corrugated pipe cooling device.
The invention discloses a metal corrugated pipe cooling device which comprises a machine body shell, a guide device, a conveying device and a grading cooling device, wherein the machine body shell is provided with a through cavity for a metal corrugated pipe to horizontally pass through, the grading cooling device is fixedly connected with the inner wall of the machine body shell, a support bracket is arranged on the lower surface of the inner wall of the machine body shell, a support mechanism is arranged at the lower end of the machine body shell, one end of the machine body shell is an inlet of the metal corrugated pipe, the other end of the machine body shell is an outlet, the guide device is arranged at two ends of the machine body shell, and the conveying device is arranged at one side of.
Further, the graded cooling device includes air cooling device and spray cooling device, the air cooling device link up fuselage shell surface and inner wall to the air cooling device includes first air cooling group and second air cooling group, first air cooling group sets up respectively at the fuselage shell near entry and exit with second air cooling group, first air cooling group is a plurality of air-cooled machines with second air cooling group, be provided with the diffuser on the air-cooled machine to diffuser blade contained angle near the exit is the entry for the orientation, spray cooling device sets up between first air cooling group and second air cooling group.
Further, the spray cooling device comprises a spray head, a pressure pump and a pipeline, wherein the pressure pump is arranged on one side of the machine body shell, one end of the pipeline is connected with the pressure pump, the other end of the pipeline penetrates through one side of the machine body shell and surrounds the inner wall of the machine body shell, the spray head is arranged on the pipeline on the inner wall of the machine body shell, and the spray head is multiple and is arranged at different angles.
Further, the supporting mechanism includes bracing piece and backup pad, the bracing piece is two-layer, the lower extreme of bracing piece is connected with a plurality of supporting legs to every layer of bracing piece is a plurality of, every layer the bracing piece be parallel to each other, and two-layer bracing piece is mutually perpendicular, fuselage shell and bracing piece are connected to the backup pad, and the backup pad is a plurality of, a plurality of the backup pad vacuole formation.
Further, a filter screen is arranged in the cavity and connected to the inner wall of the cavity, and a plurality of through holes are formed in the machine body shell and the supporting plate below the grading cooling device respectively.
Further, the guiding device comprises an upper guiding device and a lower guiding device, the lower guiding device comprises a U-shaped plate, a fixed support and two rollers, the two rollers are all axially connected to the inner side of a U-shaped opening of the U-shaped plate, the fixed support is connected to the lower end of the U-shaped plate, the lower end of the fixed support is arranged on the ground, the upper guiding device comprises an L-shaped frame, two rollers and a shaft connecting frame, the L-shaped frame is arranged on the ground in an inverted mode, a reinforcing plate is arranged at the right angle of the L-shaped frame, the two rollers are axially connected to the shaft connecting frame, the shaft connecting frame is connected with the upper end of the L-shaped frame, and the upper guiding device and the lower guiding device are multiple and are respectively arranged at two ends of the body.
Further, it is outside that the support bracket both ends extend to fuselage shell both ends from fuselage shell is inside respectively, the support bracket includes two bearing board boards and two bearing fixed plates, two the bearing fixed plate is anti-L type to two bearing fixed plate symmetries are installed at fuselage shell lower extreme inboardly, two the bearing board is connected with two bearing fixed plate upper ends respectively, and two bearing board boards are the arc.
Further, conveyer includes motor, motor support, belt and drive mechanism, the motor passes through the motor support to be fixed in one side of fuselage shell to the output coupling of motor has drive gear No. one, drive mechanism sets up the lower extreme of fuselage shell, and one side that drive mechanism is close to the motor is provided with drive gear No. two, drive gear and drive gear No. two pass through belt drive and be connected.
Further, drive mechanism includes, connecting rod, two extend fixed plate and two drive wheels, be the dogtooth that contained angle such as a plurality of equidistances distributes on the drive wheel periphery to be provided with the abrasionproof pad on the crest, two extend the fixed plate and connect the support bracket lower extreme respectively, the one end coupling No. two drive gear of connecting rod to two extend fixed plate and two drive wheels and all pass through the horizontal coupling of connecting rod, drive mechanism is two to set up the both ends at the fuselage shell respectively.
Has the advantages that: according to the metal corrugated pipe cooling device, the metal corrugated pipe is used for carrying out graded cooling in the production process of the metal corrugated pipe, so that the characteristic of the metal corrugated pipe is not damaged, the water flow speed of the process is greatly increased, the time and labor are saved, the operation is convenient, and the problem of overhigh temperature in an operation room is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is a perspective sectional view of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a schematic perspective view of a diffuser according to the present invention;
description of reference numerals: 1. a metal bellows; 2. a fuselage shell; 3. an air cooling machine; 4. a diffuser; 5. a spray head; 6. a pressure pump; 7. a pipeline; 8. a support bar; 9. supporting legs; 10. a support plate; 11. filtering with a screen; 12. a through hole; 13. a floor drain; 14. a U-shaped plate; 15. a first roller; 16. a second roller; 17. fixing a bracket; 18. an L-shaped frame; 19. a shaft coupling frame; 20. a reinforcing plate; 21. a support plate; 22. supporting a fixed plate; 23. a motor; 24. a motor bracket; 25. a belt; 26. a first transmission gear; 27. a second transmission gear; 28. a driving wheel; 29. a connecting rod; 30. an extension fixing plate; 31. an anti-wear pad.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6 show a corrugated metal pipe cooling arrangement, including fuselage shell 2, guiding device, conveyer and hierarchical cooling device, fuselage shell 2 is provided with the logical chamber that supplies corrugated metal pipe 1 level to pass through, hierarchical cooling device and fuselage shell 2's inner wall fixed connection, 2 inner wall lower surfaces of fuselage shell are provided with the support bracket to the lower extreme of fuselage shell 2 is provided with supporting mechanism, 2 one end of fuselage shell is corrugated metal pipe 1's entry, and the other end is the export, guiding device sets up the both ends at fuselage shell 2, conveyer sets up the one side at fuselage shell 2.
The grading cooling device comprises an air cooling device and a spray cooling device, the air cooling device penetrates through the surface and the inner wall of the machine body shell 2, and the air cooling device comprises a first air cooling group and a second air cooling group which are respectively arranged at the position close to the inlet and the outlet of the machine body shell 2, the first air cooling group and the second air cooling group are both provided with a plurality of air cooling machines 3, the air cooling machines 3 are provided with air diffusers 4, and 4 blade included angles of the diffuser that are close to the exit are towards the entry, the spray cooling device sets up between first air cooling group and second air cooling group, adopts the method of hierarchical cooling, and air cooling combines with the liquid cooling, and the angle of 4 blades of diffuser on the air cooling device is different, makes air-cooled machine 3 all-round cooling to corrugated metal pipe 1, and the coolant liquid that spray cooling device used can carry out surface treatment to corrugated metal pipe 1 simultaneously.
Spray cooling device includes shower nozzle 5, force pump 6 and pipeline 7, force pump 6 sets up in 2 one sides of fuselage shell, force pump 6 is connected to 7 one ends of pipeline to the 7 other ends of pipeline link up 2 one sides of fuselage shell and encircle on 2 inner walls of fuselage shell, and shower nozzle 5 is installed on the pipeline 7 of 2 inner walls of fuselage shell, and shower nozzle 5 is a plurality of, and is a plurality of shower nozzle 5 is different angle settings, and the shower nozzle through 6 pressure boost of force pump cools down corrugated metal pipe 1 through the shower nozzle of different angles.
The supporting mechanism includes bracing piece 8 and backup pad 10, bracing piece 8 is two-layer, the lower extreme of bracing piece 8 is connected with a plurality of supporting legs 9 to every layer of bracing piece 8 is a plurality of, every layer the bracing piece 8 be parallel to each other to two-layer bracing piece 8 is mutually perpendicular, fuselage shell 2 and bracing piece 8 are connected to backup pad 10 is a plurality of, a plurality of backup pad 10 vacuole formation, and the bracing piece 8 structure of cross arrangement is more firm.
Be provided with filter screen 11 in the cavity to filter screen 11 connects in the cavity inner wall, a plurality of through-holes 12 have been seted up respectively to fuselage shell 2 and the backup pad 10 of graded cooling device below, and used coolant liquid contains a lot of impurity and filters through-hole flow direction filter screen 11, then flows into the floor drain that the bottom surface of supporting mechanism below was seted up.
The guiding device comprises an upper guiding device and a lower guiding device, the lower guiding device comprises a U-shaped plate 14, a fixed support 17 and two first rollers 15, the two rollers are all axially connected to the inner side of a U-shaped opening of the U-shaped plate 14, the lower end of the U-shaped plate 14 is connected with the fixed support 17, the lower end of the fixed support 17 is arranged on the ground, the upper guiding device comprises an L-shaped frame 18, a second roller 16 and a shaft connecting frame 19, the L-shaped frame 18 is arranged on the ground in an inverted mode, a reinforcing plate 20 is arranged at the right angle of the L-shaped frame, the second roller 16 is axially connected to the shaft connecting frame 19, the shaft connecting frame 19 is connected with the upper end of the L-shaped frame 18, the upper guiding device and the lower guiding device are multiple and are respectively arranged at two ends of the machine body shell 2, the first rollers 15 and the second roller 16 of the guiding, the metal corrugated pipe 1 passes through the triangular area, and the metal corrugated pipe 1 is jointed with the circumferential surfaces of the first roller 15 and the second roller 16.
Support bracket both ends respectively from the inside 2 both ends outsides that extend to fuselage shell 2 of fuselage shell, support the bracket and include two bearing board 21 and two bearing fixed plate 22, two bearing fixed plate 22 is anti-L type to two bearing fixed plate 22 symmetries are installed at 2 lower extreme inboards of fuselage shell, two bearing board 21 is connected with two bearing fixed plate 22 upper ends respectively, and two bearing board 21 are the arc, and the cambered surface of bearing board 21 is laminated mutually with corrugated metal pipe 1's surface, forms the support to 1 lower extreme of corrugated metal pipe in the fuselage shell, and support bracket and guiding device cooperation are to the better spacing of corrugated metal pipe 1.
Conveyer includes motor 23, motor support 24, belt 25 and drive mechanism, motor 23 passes through motor support 24 to be fixed in one side of fuselage shell 2 to the output coupling of motor 23 has drive gear 26 No. one, drive mechanism sets up the lower extreme of fuselage shell 2, and drive mechanism is close to one side of motor 23 and is provided with drive gear 27 No. two, drive gear 26 is connected through the belt 25 transmission with drive gear 27 No. two, makes corrugated metal pipe 1 horizontal migration on guiding device and support bracket under the drive mechanism effect of being connected with motor 23 transmission.
Drive mechanism includes, connecting rod 29, two extend fixed plate 30 and two drive wheels 28, be the dogtooth that contained angle such as a plurality of equidistance distributes on the drive wheel 28 periphery to be provided with abrasionproof pad 31 on the crest, two extend fixed plate 30 and connect the support bracket lower extreme respectively, No. two drive gear 27 of one end coupling of connecting rod 29 to two extend fixed plate 30 and two drive wheels 28 all through the horizontal coupling of connecting rod 29, drive mechanism is two to set up respectively at the both ends of fuselage shell 2, the tooth pitch tooth depth of dogtooth coincide with the bellows surface on the drive wheel 28, set up abrasionproof pad 31 in the time of the increase friction, prevent to cause the mar to 1 surface of corrugated metal pipe.
The working principle of the invention is as follows: the metal corrugated pipe 1 is limited outside the machine body shell through a guide device, the metal corrugated pipe inside the machine body shell 2 is limited through a support bracket, meanwhile, the metal corrugated pipe 1 is driven by a conveying device to move on the guide device and the support bracket, and graded cooling is carried out in the machine body shell 2 by a method combining air cooling and spray cooling.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. A metal bellows cooling arrangement, its characterized in that: the corrugated metal pipe conveying device comprises a machine body shell (2), a guide device, a conveying device and a grading cooling device, wherein the machine body shell (2) is provided with a through cavity for a metal corrugated pipe (1) to horizontally pass through, the grading cooling device is fixedly connected with the inner wall of the machine body shell (2), a support bracket is arranged on the lower surface of the inner wall of the machine body shell (2), a support mechanism is arranged at the lower end of the machine body shell (2), one end of the machine body shell (2) is an inlet of the metal corrugated pipe (1), the other end of the machine body shell is an outlet, the guide device is arranged at two ends of the machine body shell (2), and the conveying device is arranged on one side of the;
the grading cooling device comprises an air cooling device and a spray cooling device, the air cooling device penetrates through the surface and the inner wall of the machine body shell (2), the air cooling device comprises a first air cooling group and a second air cooling group, the first air cooling group and the second air cooling group are respectively arranged at the position, close to an inlet and an outlet, of the machine body shell (2), the first air cooling group and the second air cooling group are a plurality of air cooling machines (3), air diffusers (4) are arranged on the air cooling machines (3), the included angles of blades of the air diffusers (4) close to the outlet are towards the inlet, and the spray cooling device is arranged between the first air cooling group and the second air cooling group;
the spray cooling device comprises a spray head (5), a pressure pump (6) and a pipeline (7), wherein the pressure pump (6) is arranged on one side of the machine body shell (2), one end of the pipeline (7) is connected with the pressure pump (6), the other end of the pipeline (7) penetrates through one side of the machine body shell (2) and surrounds the inner wall of the machine body shell (2), the spray head (5) is arranged on the pipeline (7) on the inner wall of the machine body shell (2), the spray heads (5) are multiple, and the spray heads (5) are arranged at different angles;
the supporting mechanism comprises a supporting rod (8) and a supporting plate (10), the supporting rod (8) is two-layer, the lower end of the supporting rod (8) is connected with a plurality of supporting legs (9), each layer of supporting rod (8) is multiple, each layer of supporting rod (8) is mutually parallel, two layers of supporting rods (8) are perpendicular, the supporting plate (10) is connected with the machine body shell (2) and the supporting rod (8), the supporting plate (10) is multiple, and the supporting plate (10) forms a cavity.
2. A metal bellows cooling device according to claim 1, characterized in that: be provided with filter screen (11) in the cavity to filter screen (11) are connected in the cavity inner wall, a plurality of through-holes (12) have been seted up respectively in fuselage shell (2) and backup pad (10) of graded cooling device below.
3. A metal bellows cooling device according to claim 1, characterized in that: the guide device comprises an upper guide device and a lower guide device, the lower guide device comprises a U-shaped plate (14), a fixed bracket (17) and two first rollers (15), the two rollers are both axially connected to the inner side of a U-shaped opening of the U-shaped plate (14), the lower end of the U-shaped plate (14) is connected with a fixed bracket (17), the lower end of the fixed bracket (17) is arranged on the ground, the upper guide device comprises an L-shaped frame (18), a second roller (16) and a shaft connecting frame (19), the L-shaped frame (18) is arranged on the ground in an inverted manner, and a reinforcing plate (20) is arranged at the right angle of the L-shaped frame, the second roller (16) is coupled on the coupling frame (19) by a shaft, the shaft connecting frame (19) is connected with the upper end of the L-shaped frame (18), and the upper guide device and the lower guide device are multiple and are respectively arranged at two ends of the machine body shell (2).
4. A metal bellows cooling device according to claim 1, characterized in that: it is outside to hold bracket both ends to extend to fuselage shell (2) both ends from fuselage shell (2) inside respectively, it includes two bearing board (21) and two bearing fixed plate (22), two to hold the bracket bearing fixed plate (22) are anti-L type to two bearing fixed plate (22) symmetries are installed at fuselage shell (2) lower extreme inboardly, two bearing board (21) are connected with two bearing fixed plate (22) upper ends respectively, and two bearing board (21) are the arc.
5. A metal bellows cooling device according to claim 1, characterized in that: conveyer includes motor (23), motor support (24), belt (25) and drive mechanism, motor (23) are fixed in one side of fuselage shell (2) through motor support (24) to the output coupling of motor (23) has drive gear (26), drive mechanism sets up the lower extreme of fuselage shell (2), and one side that drive mechanism is close to motor (23) is provided with No. two drive gear (27), drive gear (26) are connected through belt (25) transmission with No. two drive gear (27).
6. A metal bellows cooling device according to claim 1, characterized in that: drive mechanism includes, connecting rod (29), two extend fixed plate (30) and two drive wheels (28), be the dogtooth that the contained angle distributes such as a plurality of equidistances on drive wheel (28) periphery to be provided with abrasionproof pad (31) on the crest, two extend fixed plate (30) and connect respectively and hold the bracket lower extreme, the one end coupling No. two drive gear (27) of connecting rod (29) to two extend fixed plate (30) and two drive wheels (28) and all connect through connecting rod (29) horizontal axis, drive mechanism is two, and set up the both ends at fuselage shell (2) respectively.
CN202011147696.2A 2019-06-28 2019-06-28 Metal corrugated pipe cooling device Withdrawn CN112212608A (en)

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CN201910576470.5A CN110331271B (en) 2019-06-28 2019-06-28 Metal corrugated pipe cooling device
CN202011147696.2A CN112212608A (en) 2019-06-28 2019-06-28 Metal corrugated pipe cooling device

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